Senior Frontend Developer

4 days ago

Istanbul, Istanbul, Turkey Appier Full time ₺50,000 - ₺100,000 per year

About Appier 

Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier's mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: Visit for more information.

About team

, based in Paris, France, is a leading AI-driven platform revolutionizing how businesses create advertising and marketing assets. By combining proprietary AI models, advanced technology, and a user-centric approach, empowers brands to generate high-performing ad creatives that deliver measurable ROI.

Founded in 2021 and trusted by global brands like Snapchat, Pernod Ricard, Reckitt, BNP Paribas and Chopard, the platform merges cutting-edge AI technology with advertising expertise to shape the industry's future, making campaigns faster, smarter, and more impactful. As a trusted partner in the AI era, offers innovative tools like Creative Insights, AI Video Ad Generation, and Stock Image Creation, enabling businesses to scale with precision and achieve creative excellence in their campaigns.

About the role

We are looking for a Senior Frontend Developer with strong technical expertise and a leadership mindset to join our frontend team. This role involves taking initiative in software development processes, architecting scalable UI systems, and guiding the team with best practices in code quality and performance.

The ideal candidate is detail-oriented, passionate about frontend architecture, and experienced in delivering high-performance, maintainable interfaces using modern technologies.

Responsibilities 

  • Lead the frontend architecture in new projects and play an active role in key technical decisions  
  • Contribute to defining and maintaining technical standards across the team  
  • Drive refactoring and continuous improvement efforts to ensure codebase maintainability  
  • Collaborate with product and design teams to deliver user-centric solutions  
  • Own and uphold the code review process to ensure high-quality and consistent code  
  • Build accessible, performant, and reusable UI components that scale

About you 

[Minimum qualifications]

  • Advanced proficiency in JavaScript (ES6+) and TypeScript  
  • At least **4 years of experience** with , including Hooks, Context API, and robust state management approaches  
  • Experience in component-based architecture (e.g., Atomic Design)  
  • Strong styling skills with SCSS and/or Tailwind CSS  
  • Deep understanding of build tools like Vite (Webpack or Rollup experience is a plus)  
  • Proficient in version control with **Git** and active participation in PR/code review workflows  
  • Solid experience integrating with RESTful APIs  
  • Hands-on expertise in performance optimization techniques such as lazy loading, memoization, code splitting, and re-render control

[Preferred qualifications]

  • Experience building or contributing to a design system or component library  
  • Involvement in technical decision-making processes 
  • Proven ability to collaborate effectively with UI/UX teams throughout the design and development lifecycle
  • Strong awareness of code quality and software sustainability  
  • Proactive mindset with the ability to identify technical bottlenecks and take initiative  
  • Comfortable with both written and verbal technical communication in English 
  • Product ownership attitude with a focus on user experience and usability 

#LI-Fully Remote

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